poj 2556 Edge 向量旋转
Edge poj 旋转 向量
2023-09-11 14:20:45 时间
//poj 2556 //sep9 #include<iostream> using namespace std; char s[256]; int main() { while(scanf("%s",&s)==1){ int px=300,py=420; int x=310,y=420; puts("300 420 moveto\n310 420 lineto"); for(int i=0;s[i]!='\0';++i){ int dx=x-px,ddx; int dy=y-py,ddy; px=x; py=y; if(s[i]=='V'){ ddx=-dy; ddy=dx; }else if(s[i]=='A'){ ddx=dy; ddy=-dx; } x=x+ddx; y=y+ddy; printf("%d %d lineto\n",x,y); } puts("stroke\nshowpage"); } return 0; }
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